Home / 72,787,968,896.80-109,181,953,345.20-59,564,016,205.60

Finding the Fourth Proportional to 72,787,968,896.80, 109,181,953,345.20 and 59,564,016,205.60

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Solution

The fourth proportional to 72,787,968,896.80, 109,181,953,345.20 and 59,564,016,205.60 is: 89,346,024,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,787,968,896.80 : 109,181,953,345.20 = 59,564,016,205.60 : x
  2. Step 2: Convert to fraction form
    72,787,968,896.80/109,181,953,345.20 = 59,564,016,205.60/x
  3. Step 3: Cross multiply
    72,787,968,896.80x = 109,181,953,345.20 × 59,564,016,205.60
  4. Step 4: Simplify right side
    72,787,968,896.80x = 6,503,315,638,412,555,321,344
  5. Step 5: Solve for x
    x = 6,503,315,638,412,555,321,344/72,787,968,896.80
  6. Step 6: Final answer
    x = 89,346,024,308.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.